Tennis · M15 Zamora · 10/11, 17:00
Prediction: Stefan Cooper vs Gray Voelzke
Team pages: Stefan Cooper · Gray Voelzke
Prediction summary
Winner
Stefan Cooper
Gray Voelzke
Estimated games
20.5
Recent form · 10 last
Stefan Cooper
5-5 (W-L)
Gray Voelzke
3-7 (W-L)
Our model (Elo) vs Market
Rating Elo · Stefan Cooper 1435 · Gray Voelzke 1456
| Stefan Cooper | Gray Voelzke | |
|---|---|---|
| Our model | 47% | 53% |
| Market | 63% | 38% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Match keys
- Note: Stefan Cooper makes many double faults (5.8/match).
- Note: Gray Voelzke makes many double faults (6.4/match).
Statistics
| Stefan Cooper | Gray Voelzke | |
|---|---|---|
| Win % | 20% | 30% |
| Win % · Hard | 17% (6) | 25% (4) |
| Sets (G-P) | 0.8-1.6 | 0.7-1.4 |
| Games (G-P) | 8.9-12.7 | 8.6-10.6 |
| Aces | 7.5 | 5.4 |
| Double faults | 5.8 | 6.4 |
| 1st serve % | 68.2% | 70.7% |
| Break % | 31.1% | 25.9% |
Estimated total games (ours)
20.5
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Stefan Cooper
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 04/11 | Jesse Flores M25 Guadalajara |
1-2 | 9-15 | L |
| 03/11 | Rodolfo Jauregui Sainz De Rozas M25 Guadalajara |
2-0 | 14-10 | W |
| 27/10 | Lucca Liu M15 Mazatlan |
0-2 | 4-12 | L |
| 23/07 | Emiliano Aguilera Guerrero M15 Huamantla · ~Hard |
1-2 | 9-15 | L |
| 22/07 | Wilhelm Saiga M15 Huamantla · ~Hard |
2-0 | 13-9 | W |
| 08/07 | Karl Kazuma Lee M15 Rancho Santa Fe |
0-2 | 8-12 | L |
| 01/07 | Vit Kalina M15 San Diego · ~Hard |
0-2 | 3-12 | L |
| 26/06 | Charlie Underwood UTR Pro Newport Beach · Hard |
0-2 | 3-12 | L |
| 25/06 | Andy Nguyen UTR Pro Newport Beach · Hard |
1-2 | 11-15 | L |
| 24/06 | Brock Anderson UTR Pro Newport Beach · Hard |
1-2 | 15-15 | L |
Gray Voelzke
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 06/11 | Keshav Chopra M15 Pembroke |
0-2 | 5-12 | L |
| 05/11 | Noah Schachter M15 Pembroke |
2-0 | 13-7 | W |
| 04/11 | Zachary Mintz M15 Pembroke |
2-0 | 12-3 | W |
| 23/10 | Thiago Guglieri UTR Pro Lubbock · Hard |
0-2 | 1-12 | L |
| 21/10 | Bautista Leguizamon UTR Pro Lubbock · Hard |
1-2 | 16-18 | L |
| 20/10 | Luciano Larosa UTR Pro Lubbock · Hard |
2-0 | 12-6 | W |
| 19/10 | Imran Daniel Abdul Hazli UTR Pro Lubbock · Hard |
0-2 | 6-12 | L |
| 13/10 | Alex Hernandez M15 Quito · ~Clay |
0-2 | 6-12 | L |
| 07/10 | Sergio Luis Hernandez Ramirez M15 Quito · ~Clay |
0-2 | 8-12 | L |
| 21/09 | Lars Wagenaar M15 Forbach |
0-2 | 7-12 | L |
Frequently asked questions
Who is the favourite in Stefan Cooper vs Gray Voelzke?
Our model gives 56% to Stefan Cooper, using surface Elo on hard.
What is the prediction based on?
On an Elo model by surface (hard) adjusted for opponent quality, compared with the market odds.

